PlainFlights

SEA vs OAK - Airport Comparison

Select two airports to compare on-time performance, delays, cancellations, and top routes using U.S. Department of Transportation Bureau of Transportation Statistics (BTS) data (2020–2025) across all 50 states. See our methodology for how metrics are computed.

Airport A
SEA

Seattle, WA

Seattle, Washington

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Airport B
OAK

Oakland, CA

Oakland, California

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Key Performance Metrics

BTS on-time performance data, 2020–2025 cumulative.

Metric SEA OAK
On-Time Rate (higher is better) 83.1% 81.7%
Avg Delay (lower is better) 63.4 min 56.3 min
Delay Rate (lower is better) 16.9% 18.3%
Cancellation Rate (lower is better) 0.73% 1.04%
Total Flights 1,871,155 472,036
Delayed Flights 315,819 86,156
Cancelled Flights 13,720 4,908
Top Delay Cause Carrier Late Aircraft

✓ / ▲ indicates the more favorable value. Data: BTS On-Time Performance, 2020–2025.

Delay Cause Breakdown

SEA - Seattle, WA

Carrier 44.3%
Late Aircraft 28.6%
NAS 21.0%
Weather 5.8%
Security 0.3%

OAK - Oakland, CA

Late Aircraft 45.5%
Carrier 38.1%
NAS 14.5%
Weather 1.5%
Security 0.3%

Top Routes

Top routes from SEA

Route Flights On-Time
SEA → LAX
Los Angeles
41,859 84%
LAX → SEA
Seattle
41,819 86.2%
SEA → ANC
Anchorage
41,143 77.5%
ANC → SEA
Seattle
41,064 85.8%
PHX → SEA
Seattle
38,561 84.3%
SEA → PHX
Phoenix
38,549 82.3%

Top routes from OAK

Route Flights On-Time
OAK → LAS
Las Vegas
25,368 79.3%
LAS → OAK
Oakland
25,280 76.4%
OAK → LAX
Los Angeles
20,093 86.2%
LAX → OAK
Oakland
20,020 85.1%
SAN → OAK
Oakland
18,624 80.1%
OAK → BUR
Burbank
18,412 85.2%

Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) On-time rates exclude cancelled and diverted flights. PlainFlights is not affiliated with BTS or the DOT

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This tool queries live on-time, delay, and cancellation figures for the two selected airports from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.